関連ワード:  typescript get first value from array    typescript get first element from array    typescript get first item from array    typescript select first element from array    typescript get first element of array if exists    typescript get first element of array that matches condition    typescript get first element of array or undefined    typescript get first element of array with condition    typescript get first element of array or null    typescript get first element of array if not empty  
結果 : typescript get first value from array